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// Copyright (C) 2015-2020 Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include <CommonAPI/Runtime.hpp>
#include <CommonAPI/Logger.hpp>
#ifdef USE_DLT
#include <dlt/dlt.h>
#endif
#include <cstdint>
#include <fstream>
#include <memory>
#include <mutex>
#include <iostream>
namespace CommonAPI {
class Logger::LoggerImpl {
public:
LoggerImpl() :
maximumLogLevel_(Logger::Level::CAPI_LOG_INFO),
useConsole_(true),
useDlt_(false)
#ifdef USE_DLT
, ownAppID_(false)
#endif
{
}
void init(bool _useConsole, const std::string &_fileName, bool _useDlt,
const std::string& _level) {
useConsole_ = _useConsole;
maximumLogLevel_ = stringAsLevel(_level);
useDlt_ = _useDlt;
if (!_fileName.empty()) {
file_ = std::make_shared<std::ofstream>();
if (file_) {
file_->open(_fileName.c_str(),
std::ofstream::out | std::ofstream::app);
}
}
#ifdef USE_DLT
if (useDlt_) {
std::string app = Runtime::getProperty("LogApplication");
if (!app.empty()) {
ownAppID_ = true;
DLT_REGISTER_APP(app.c_str(), "CommonAPI Application");
}
std::string context = Runtime::getProperty("LogContext");
if (context == "")
context = "CAPI";
DLT_REGISTER_CONTEXT(dlt_, context.c_str(), "CAPI");
}
#endif
}
~LoggerImpl() {
#ifdef USE_DLT
if (useDlt_) {
DLT_UNREGISTER_CONTEXT(dlt_);
if (ownAppID_) {
DLT_UNREGISTER_APP()
;
}
}
#endif
}
bool isLogged(Logger::Level _level) {
return (_level <= maximumLogLevel_) ? true : false;
}
void doLog(Logger::Level _level, const std::string &_message) {
if (useConsole_) {
std::lock_guard<std::mutex> itsLock(mutex_);
std::cerr << "[CAPI][" << levelAsString(_level) << "] " << _message
<< std::endl;
}
if (file_ && file_->is_open()) {
std::lock_guard<std::mutex> itsLock(mutex_);
(*(file_.get())) << "[CAPI][" << levelAsString(_level) << "] "
<< _message << std::endl;
}
#ifdef USE_DLT
if (useDlt_) {
DLT_LOG_STRING(dlt_, levelAsDlt(_level), _message.c_str());
}
#endif
}
static Logger::Level stringAsLevel(const std::string &_level) {
Logger::Level level(Logger::Level::CAPI_LOG_INFO);
if (_level == "none") {
level = Logger::Level::CAPI_LOG_NONE;
} else if (_level == "fatal") {
level = Logger::Level::CAPI_LOG_FATAL;
} else if (_level == "error") {
level = Logger::Level::CAPI_LOG_ERROR;
} else if (_level == "warning") {
level = Logger::Level::CAPI_LOG_WARNING;
} else if (_level == "info") {
level = Logger::Level::CAPI_LOG_INFO;
} else if (_level == "debug") {
level = Logger::Level::CAPI_LOG_DEBUG;
} else if (_level == "verbose") {
level = Logger::Level::CAPI_LOG_VERBOSE;
}
return level;
}
private:
static std::string levelAsString(Logger::Level _level) {
switch (_level) {
case Logger::Level::CAPI_LOG_NONE:
return "NONE";
case Logger::Level::CAPI_LOG_FATAL:
return "FATAL";
case Logger::Level::CAPI_LOG_ERROR:
return "ERROR";
case Logger::Level::CAPI_LOG_WARNING:
return "WARNING";
case Logger::Level::CAPI_LOG_INFO:
return "INFO";
case Logger::Level::CAPI_LOG_DEBUG:
return "DEBUG";
case Logger::Level::CAPI_LOG_VERBOSE:
return "VERBOSE";
default:
return "";
}
}
#ifdef USE_DLT
static DltLogLevelType levelAsDlt(Logger::Level _level) {
switch (_level) {
case Logger::Level::CAPI_LOG_NONE:
return DLT_LOG_OFF;
case Logger::Level::CAPI_LOG_FATAL:
return DLT_LOG_FATAL;
case Logger::Level::CAPI_LOG_ERROR:
return DLT_LOG_ERROR;
case Logger::Level::CAPI_LOG_WARNING:
return DLT_LOG_WARN;
case Logger::Level::CAPI_LOG_INFO:
return DLT_LOG_INFO;
case Logger::Level::CAPI_LOG_DEBUG:
return DLT_LOG_DEBUG;
case Logger::Level::CAPI_LOG_VERBOSE:
return DLT_LOG_VERBOSE;
default:
return DLT_LOG_DEFAULT;
}
}
#endif
private:
std::mutex mutex_;
Logger::Level maximumLogLevel_;
bool useConsole_;
std::shared_ptr<std::ofstream> file_;
bool useDlt_;
#ifdef USE_DLT
DLT_DECLARE_CONTEXT(dlt_)
bool ownAppID_;
#endif
};
std::unique_ptr<Logger::LoggerImpl> Logger::loggerImpl_ =
std::unique_ptr<Logger::LoggerImpl>(new Logger::LoggerImpl());
Logger::Logger() = default;
Logger::~Logger() = default;
void Logger::init(bool _useConsole, const std::string &_fileName, bool _useDlt,
const std::string& _level) {
loggerImpl_->init(_useConsole, _fileName, _useDlt, _level);
}
bool Logger::isLogged(Level _level) {
return loggerImpl_->isLogged(_level);
}
void Logger::doLog(Level _level, const std::string& _message) {
loggerImpl_->doLog(_level, _message);
}
} //namespace CommonAPI
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